What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

Tags

NGSS.HS-PS1-7

How many grams are in 3.3 mol of Potassium Sulfide?

• 360 g
• 454 g
• 238 g
• 132 g

Which compound has the smallest molar mass?

• CO
• CO₂
• H₂O
• H₂O₂

Avogadro's number of representative particles is equal to one_____.

• kilogram
• gram
• kelvin
• mole

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules

Determine the amount of moles in 1.50 x 10²³ atoms of fluorine.

• 9.03 x 10⁴⁶ moles
• 0.249 moles
• 4.73 moles
• 0.0131 moles

How many moles of H atoms are there in  0.5 mol of H₂SO_{4 ?}

• 0.25
• 0.5
• 0.75
• 1

Tags

NGSS.HS-PS1-7

Determine the molar mass for CCl₄

• 154 g/mol
• 142 g/mol
• 190 g/mol
• 82.9 g/mol

Oxygen is diatomic.  What is the molar mass of oxygen gas?

• 16 g/mol
• 32 g/mol
• 8 g/mol
• 18 g/mol

Determine the number of atoms in 1.50 g of carbon.

• 0.125 atoms
• 7.52 x 10²² atoms
• 1.08 x 10²⁵ atoms
• 2.07 x 10^-25 atoms